"I, Tonya" is a new dark comedy movie that tells the real-life story of the Tonya Harding controversy, where the figure skater was involved in a plot to hurt her rival, Nancy Kerrigan, ahead of the 1994 Winter Olympics.

The movie, at its root, is deeply problematic. But the filmmakers deserve credit for the casting. Margot Robbie does a compelling job in her performance as Harding while the rest of the actors bumble around as comic relief.

Here's how the actors in the movie stack up to the people in the real-life drama.